/* ==========================================================================
   COMPONENTS.CSS — Reusable UI Components
   ========================================================================== */

/* --------------------------------------------------------------------------
   BUTTONS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-base);
  background: var(--color-surface);
  color: var(--color-text);
  text-decoration: none;
  user-select: none;
  transition: transform var(--transition-fast), filter var(--transition-fast), box-shadow var(--transition-fast);
}

.btn:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
  text-decoration: none;
}

.btn:active {
  transform: translateY(0);
}

.btn:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.btn--primary {
  border: none;
  color: var(--color-bg);
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-alt));
  box-shadow: var(--shadow-md);
}

.btn--primary:hover {
  box-shadow: var(--shadow-lg);
}

.btn--secondary {
  background: transparent;
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--ghost {
  background: var(--color-surface);
  border-color: var(--color-border);
}

.btn--lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-lg);
}

.btn--wide {
  width: 100%;
}

.btn--icon {
  width: 44px;
  height: 44px;
  padding: 0;
}

/* --------------------------------------------------------------------------
   CARDS
   -------------------------------------------------------------------------- */
.card {
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: linear-gradient(180deg, var(--color-surface-hover), var(--color-surface));
  padding: var(--space-5);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(250, 204, 21, 0.25);
}

.card--no-hover:hover {
  transform: none;
  box-shadow: none;
}

.card__title {
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.card__desc {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

/* --------------------------------------------------------------------------
   PANELS (simpler cards)
   -------------------------------------------------------------------------- */
.panel {
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: var(--space-5);
}

.panel__title {
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

/* --------------------------------------------------------------------------
   BADGES / PILLS
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-muted);
}

.badge--accent {
  background: var(--color-accent-subtle);
  border-color: rgba(245, 158, 11, 0.28);
  color: var(--color-text);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   GRIDS
   -------------------------------------------------------------------------- */
.grid {
  display: grid;
  gap: var(--space-4);
}

.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 980px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 600px) and (max-width: 980px) {
  .grid--3,
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --------------------------------------------------------------------------
   LISTS
   -------------------------------------------------------------------------- */
.list {
  padding-left: var(--space-5);
  color: var(--color-text-muted);
}

.list li {
  position: relative;
  padding-left: var(--space-2);
}

.list li::before {
  content: "•";
  position: absolute;
  left: calc(var(--space-5) * -1);
  color: var(--color-accent);
}

.list li + li {
  margin-top: var(--space-2);
}

.list--check li::before {
  content: "✓";
  color: var(--color-success);
}

.list--x li::before {
  content: "✕";
  color: var(--color-error);
}

/* --------------------------------------------------------------------------
   FORMS
   -------------------------------------------------------------------------- */
.form-group {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--color-text);
  font-family: inherit;
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-focus);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23fff' fill-opacity='0.6' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}

.form-checkbox input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   HEADER
   -------------------------------------------------------------------------- */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  backdrop-filter: blur(12px);
  background: rgba(7, 10, 20, 0.65);
  border-bottom: 1px solid var(--color-border-subtle);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
  gap: var(--space-4);
}

.header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.header__brand:hover {
  text-decoration: none;
}

.header__logo {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-alt));
  box-shadow: 0 8px 24px rgba(250, 204, 21, 0.15);
  font-weight: var(--font-weight-extrabold);
  font-size: var(--font-size-base);
  color: var(--color-bg);
}

.header__logo--sm {
  width: 34px;
  height: 34px;
  font-size: var(--font-size-sm);
}

.header__brand-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.header__brand-name {
  font-weight: var(--font-weight-extrabold);
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.header__brand-tag {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted2);
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav__link {
  color: var(--color-text-muted);
  font-weight: var(--font-weight-semibold);
  transition: color var(--transition-fast);
}

.nav__link:hover {
  color: var(--color-text);
  text-decoration: none;
}

.nav__link--active {
  color: var(--color-accent);
}

.nav__cta {
  color: var(--color-bg);
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-alt));
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-bold);
  box-shadow: var(--shadow-sm);
  transition: filter var(--transition-fast), transform var(--transition-fast);
}

.nav__cta:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
  text-decoration: none;
}

/* Mobile menu button */
.menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
}

.menu-btn__bars {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  position: relative;
  border-radius: 2px;
}

.menu-btn__bars::before,
.menu-btn__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
}

.menu-btn__bars::before { top: -6px; }
.menu-btn__bars::after { top: 6px; }

/* Mobile nav */
.mobile-nav {
  border-top: 1px solid var(--color-border-subtle);
  background: rgba(7, 10, 20, 0.85);
  backdrop-filter: blur(12px);
}

.mobile-nav__inner {
  display: grid;
  gap: var(--space-3);
  padding-block: var(--space-4) var(--space-5);
}

.mobile-nav__link {
  display: block;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background: var(--color-surface);
  color: var(--color-text);
  font-weight: var(--font-weight-semibold);
}

.mobile-nav__link:hover {
  text-decoration: none;
  background: var(--color-surface-hover);
}

@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .menu-btn {
    display: flex;
  }
}

/* --------------------------------------------------------------------------
   FOOTER
   -------------------------------------------------------------------------- */
.footer {
  border-top: 1px solid var(--color-border-subtle);
  padding-block: var(--space-8);
  margin-top: auto;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: var(--font-weight-extrabold);
}

.footer__brand:hover {
  text-decoration: none;
}

.footer__copy {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted2);
  margin-top: var(--space-2);
}

.footer__links {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__link {
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
}

.footer__link:hover {
  color: var(--color-text);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   TOAST
   -------------------------------------------------------------------------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: var(--space-5);
  transform: translateX(-50%);
  z-index: var(--z-toast);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: rgba(7, 10, 20, 0.9);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-xl);
  color: var(--color-text);
  font-weight: var(--font-weight-semibold);
  animation: toastIn 0.25s ease;
}

.toast[hidden] {
  display: block;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) translateY(12px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* --------------------------------------------------------------------------
   SECTION HEADERS
   -------------------------------------------------------------------------- */
.section-header {
  margin-bottom: var(--space-8);
}

.section-header--center {
  text-align: center;
}

.section-header__title {
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.section-header__desc {
  max-width: 65ch;
}

.section-header--center .section-header__desc {
  margin-inline: auto;
}

/* --------------------------------------------------------------------------
   CTA PANEL
   -------------------------------------------------------------------------- */
.cta-panel {
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: linear-gradient(135deg, var(--color-accent-subtle), rgba(245, 158, 11, 0.08));
  padding: var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.cta-panel__content h3 {
  margin-bottom: var(--space-1);
  color: var(--color-text);
}

/* --------------------------------------------------------------------------
   ACCORDION (details/summary)
   -------------------------------------------------------------------------- */
.accordion {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.accordion__item {
  border-bottom: 1px solid var(--color-border-subtle);
}

.accordion__item:last-child {
  border-bottom: none;
}

.accordion__trigger {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  color: var(--color-text);
  font-weight: var(--font-weight-semibold);
  text-align: left;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.accordion__trigger::-webkit-details-marker {
  display: none;
}

.accordion__trigger::after {
  content: "+";
  font-size: var(--font-size-xl);
  color: var(--color-accent);
  transition: transform var(--transition-fast);
}

.accordion__item[open] .accordion__trigger::after {
  transform: rotate(45deg);
}

.accordion__content {
  padding: 0 var(--space-5) var(--space-5);
  color: var(--color-text-muted);
}